init transformer

    image = Image.fromarray(self.Image)

    image = image.filter(ImageFilter.MedianFilter(size=size))

    return np.array(image)

class RxnSplitTransformer(Transformer):

  def __init__(self):

    pass

  def transform_array(

      self, X: np.ndarray, y: np.ndarray, w: np.ndarray,

      ids: np.ndarray) -> Tuple[np.ndarray, np.ndarray, np.ndarray, np.ndarray]:

    return super().transform_array(X, y, w, ids)

  def untransform(self, transformed):

    return super().untransform(transformed)